Which of the following does not fall under not 'misrepresentation' according to Indian Contract Act, 1872?

Any breach of duty which, without an intent to deceive, gains an advantage to the person committing it

The positive assertion, in a manner not warranted by the information of the person making it, of that which is not true, though he believes it to be true

Causing, however innocently, a party to an agreement, to make a mistake as to the substance of the thing which is subject of the agreement